snap7-cli 0.1.6

CLI tool for communicating with Siemens S7 PLCs — read/write data blocks, watch tags, upload blocks, query SZL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25

use anyhow::Result;
use snap7_client::{transport::TcpTransport, S7Client};

use crate::args::{AreaArg, WriteArgs};

pub async fn run(client: &S7Client<TcpTransport>, args: WriteArgs) -> Result<()> {
    let data =
        hex::decode(&args.data).map_err(|_| anyhow::anyhow!("invalid hex data: {}", args.data))?;
    let area: snap7_client::proto::s7::header::Area = args.area.clone().into();
    match args.area.clone() {
        AreaArg::Db => {
            client
                .db_write(args.db, args.offset, &data)
                .await
        }
        _ => {
            client
                .ab_write(area, args.db, args.offset, &data)
                .await
        }
    }
    .map_err(|e| anyhow::anyhow!("{}", e))?;
    println!("ok");
    Ok(())
}